- Welding Techniques and Residual Stresses
- Advanced Welding Techniques Analysis
- Metal Forming Simulation Techniques
- Aluminum Alloys Composites Properties
- Aluminum Alloy Microstructure Properties
- Microstructure and Mechanical Properties of Steels
- Mechanical Behavior of Composites
- Structural Load-Bearing Analysis
- Concrete Corrosion and Durability
- Material Properties and Applications
- Laser and Thermal Forming Techniques
- Structural Behavior of Reinforced Concrete
- Advanced X-ray and CT Imaging
- Corrosion Behavior and Inhibition
- Structural Analysis of Composite Materials
- Non-Destructive Testing Techniques
- Hydrogen embrittlement and corrosion behaviors in metals
- Innovative concrete reinforcement materials
- Metallurgy and Material Forming
- Robotic Mechanisms and Dynamics
- Structural Integrity and Reliability Analysis
- Injection Molding Process and Properties
- Oil, Gas, and Environmental Issues
- Nanofluid Flow and Heat Transfer
- Engineering and Environmental Studies
University of Basrah
2018-2025
This article aims to study water-cooling effects on residual stress friction stir welding (FSW) of AA6068-T6 aluminum alloy. For this reason, the FSW and submerged processes are simulated by computational fluid dynamic (CFD) method heat generation. The increment hole drilling technique was used measure welded samples. simulation results show that materials softening during process more than submerged. phenomenon caused joint line in case be lower regular joint. On other hand, revealed...
Friction stir welding (FSW) of polymeric materials has recently attracted significant attention. Herein, we present the effect tool pin profile on FSW high-density polyethylene (HDPE) joints through joint experimental analysis and thermomechanical simulations. For effects properties HDPE joints, frustum (FPT), cubic (CPT), triangular (TPT) shapes were selected in this study. This research investigated heat generation parts different tools as well flux (internal surface). The results revealed...
In the last three decades, a significant turning point occurred in history of welding technology through friction stir (FSW) technology. As solid-state welding, FSW successfully welded similar metals and extended them to include dissimilar materials, composites, polymers. Heat diffusivity affects weld heat generated and, thus, heat-affected zone's nature joint's efficiency. this article, thermal AA6060-T5 aluminum alloy was modelled by FSW, experimental results verified results. The study...
The use of aluminum alloys, nowadays, is swiftly growing from the prerequisite producing higher strength to weight ratio. Lightweight components are crucial interest in most manufacturing sectors, especially transportation, aviation, maritime, automotive, and others. Traditional available joining methods have an adverse effect on these lightweight engineering materials, increasing needs for new environmentally friendly methods. Hence, friction stir welding (FSW) introduced. Friction a...
The efficient thermal management of microelectronic devices is crucial for their reliability and performance. Heat sinks, particularly those with inline staggered fin arrangements, are vital in achieving this goal. This study leverages the advancements computational fluid dynamics (CFD) software to explore optimal heat sink design devices. While prior research has extensively investigated design, work offers novelty by employing ANSYS Icepak simulations. approach enables a comprehensive...
Manufacturers increasingly turn to robotic gripper designs improve the efficiency of gripping and moving objects provide greater flexibility these objects. Neuro-fuzzy techniques are most widespread in developing designs. In this study, traditional design is modified by adding a suitable cam that makes it compatible with basic design, an adaptive neuro-fuzzy inference system (ANFIS) used MATLAB Simulink environment. The developed investigates follower path concerning surface curve, position...
<title>Abstract</title> Metallic pipelines exposed to harsh environments, such as high humidity and temperatures, are susceptible damage. Composite patching is a highly effective repair method, the geometry of defects plays crucial role, especially in irregularly shaped This study investigates influence defect on effectiveness composite repairs for steel under hydrostatic pressure. Three plain-woven materials—glass, carbon, hybrid—were evaluated. Results demonstrated that circular...
The demand for robotic systems employing composite materials is steadily improving due to their high bending stiffness, favorable strength-to-weight ratio, and durability under dynamic loading. It still challenging guarantee stability precise frequency response in components. This study addresses these issues by conducting a simulation-based 3D analysis modeling of carbon/epoxy carbon/PPS composites sinusoidal remarkable mechanical thermal properties composites, such as specific strength,...
In this study, the effects of traverse and rotational velocities noncontact shoulder tool on heat generation heated flux during friction stir joining high-density polyamide 6 (PA6) polymer were investigated. The computational fluid dynamics (CFD) method was employed to simulate thermomechanical phenomena (FSJ) process PA6. A developed model used consider void formation thermochemical properties surface internal flow, material geometry joint simulated, an experimental study evaluated...
Low weight and high strength are significant factors in the current decade's spread of composite sandwich materials. Previous studies have proven that forming stiffening ribs these materials through Single Point Incremental Forming (SPIF) process is possible gives encouraging results. On other hand, knowledge residual stress (RS) values form during manufacturing essential, as they may affect structural integrity manufactured elements, whether compression or tension. The investigation RS...
Studying roughness parameters and the topography of stiffening ribs in composite sandwich structures is important for understanding these materials' surface quality mechanical properties. The describe micro-geometry surface, including average height deviation, depth, waviness. refers to spatial arrangement distribution features such as bumps, ridges, valleys. study investigated under three scenarios based on two SPIF process parameters: tool rotational speed(N) feed rate (f). vertical step...
Nowadays, manufacturing sectors harness the power of machine learning and data science algorithms to make predictions optimization mechanical microstructure properties fabricated components. The application these reduces experimental cost beside leads reduce time experiments. present research work is based on depth penetration prediction using supervised such as support vector machines (SVM), random forest algorithm, robust regression algorithm. A friction stir spot welding (FSSW) was used...
The increasing use of polymer products in transportation and almost all sectors is a distinctive sign the current decade. On-site repair defects along spatial path are important advantages portable welding system. article presented an in-house developed pneumatically powered set-up tool for defect based on friction stir (FSW). suggested can be used such as car bumpers, motorboats, vessels. Further, acrylonitrile butadiene styrene (ABS) specimens were joined by FSW spot (FSSW), maximum...
Enhancing corrosion resistance in stainless-ssteel alloys is a paramount objective the petroleum industry. This study investigated effects of previous cold working and welding processes on mechanical properties rates 204 Cu stainless steel different aggressive environments (crude oil, freshwater, seawater). The experimental sets were supported by microstructure analysis. mean weight loss method was employed to determine rates, which optimized using Taguchi method. ferrite austenite phase...
The rapid spread of the use high-density polyethylene (HDPE) pipes is due to wide variety methods for connecting them. This study keeps pace with developments butt fusion welding HDPE by exploring relationship between performance weld joints studying ultimate tensile strength and joint profiles shape at outer surface pipe (height width cap) internal root). Welding pressure, heater temperature, stocking time, cooling time were parameters process. Regression was analyzed using ANOVA, an ANN...
Friction stir spot welding is a non-conventional joining process that use for sheet metal and alloy as solid state which can be used instead of electric resistance process. In this project, AA1100 Al-alloy C11000 copper with 3 mm thickness have welded by friction tapper cylinder tool made fro m high speed steel materials pin diameter shoulder 10 mm. Manual automatic been applied in drilling machine different rotational 760, 1065, 1445 2000 Heat generation, dwell time load measured during the...
Steel pipelines are commonly used in the petroleum industry where high strength and durability values required. In oil installations, problems of corrosion, especially with crude oil, appear clearly dramatically, dealing API 5L series. Improving corrosion protection mechanical properties a genius goal for steel manufacturers, heat treatment processes familiar this field. study, experimental investigations were executed to find influence on rate, microstructure, behavior X60 pipeline presence...